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Internal Server Error 500 No response from subprocess (php): subprocess was killed with signal 11

Discussion in 'General Discussion' started by PPNSteve, Jan 8, 2014.

  1. PPNSteve

    PPNSteve Well-Known Member

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    Trying to view the INBOX in horde webmail app I'm getting this error:

    Code:
    Internal Server Error
    
    500
    
    No response from subprocess (php): subprocess was killed with signal 11
    Al the other mailboxes including a rather full spam box work, its only affection this one inbox on this one specific user.

    Fixed mailbox permissions, restarted cpsrvd and forced an cPanel update - still getting error..

    UPDATE: adding error logs from Roundcube;
    Code:
    root@tcsm01 [/var/cpanel/roundcube/log]# tail -100 errors
    [08-Jan-2014 22:19:10 UTC] Unexpected condition from IMAP server, closed or corrupt connection to IMAP. Possible mailbox corruption.
    [08-Jan-2014 22:19:10 UTC] PHP Warning:  fclose() expects parameter 1 to be resource, null given in /usr/local/cpanel/base/3rdparty/roundcube/program/lib/Roundcube/rcube_imap_generic.php on line 201
    [08-Jan-2014 22:19:18 UTC] Unexpected condition from IMAP server, closed or corrupt connection to IMAP. Possible mailbox corruption.
    [08-Jan-2014 22:19:18 UTC] PHP Warning:  fclose() expects parameter 1 to be resource, null given in /usr/local/cpanel/base/3rdparty/roundcube/program/lib/Roundcube/rcube_imap_generic.php on line 201
    [08-Jan-2014 22:19:25 UTC] Unexpected condition from IMAP server, closed or corrupt connection to IMAP. Possible mailbox corruption.
    [08-Jan-2014 22:19:25 UTC] PHP Warning:  fclose() expects parameter 1 to be resource, null given in /usr/local/cpanel/base/3rdparty/roundcube/program/lib/Roundcube/rcube_imap_generic.php on line 201
    
    Any suggestions on a fix???
     
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    #1 PPNSteve, Jan 8, 2014
    Last edited: Jan 8, 2014
  2. PPNSteve

    PPNSteve Well-Known Member

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    Re: Internal Server Error 500 No response from subprocess (php): subprocess was killed with signal

    OK desperation sat in and we ended up doing a swap between mail services, switched from dovecot to courier and then back again, to resolve this.

    This may work for you as well.
     
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  3. cPanelMichael

    cPanelMichael Technical Support Community Manager
    Staff Member

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    Re: Internal Server Error 500 No response from subprocess (php): subprocess was killed with signal

    Hello :)

    There are a few different potential causes of this type of error message. I have seen this happen due to a corrupted dovecot.index file within the email account's mail directory. Thank you for updating us with the outcome. Feel free to let us know if the issue occurs again.
     
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